Home / 764,547.92-1,146,816.72-259,464.48

Finding the Fourth Proportional to 764,547.92, 1,146,816.72 and 259,464.48

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Solution

The fourth proportional to 764,547.92, 1,146,816.72 and 259,464.48 is: 389,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,547.92 : 1,146,816.72 = 259,464.48 : x
  2. Step 2: Convert to fraction form
    764,547.92/1,146,816.72 = 259,464.48/x
  3. Step 3: Cross multiply
    764,547.92x = 1,146,816.72 × 259,464.48
  4. Step 4: Simplify right side
    764,547.92x = 297,558,209,756.49
  5. Step 5: Solve for x
    x = 297,558,209,756.49/764,547.92
  6. Step 6: Final answer
    x = 389,194.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.